Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 AU2014202557B2 - Tools and methods useful with wellbore reverse circulation
- Google Patents
AU2014202557B2 - Tools and methods useful with wellbore reverse circulation
- Google Patents
Tools and methods useful with wellbore reverse circulation
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tesco Corp Canada
Original Assignee
Tesco Corp Canada
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2007257175Aexternal-prioritypatent/AU2007257175B2/en
Application filed by Tesco Corp CanadafiledCriticalTesco Corp Canada
Priority to AU2014202557ApriorityCriticalpatent/AU2014202557B2/en
Publication of AU2014202557A1publicationCriticalpatent/AU2014202557A1/en
Application grantedgrantedCritical
Publication of AU2014202557B2publicationCriticalpatent/AU2014202557B2/en